HOLDEN — Emera Maine says it’s working to restore power to more than 2,200 customers in Penobscot County after thunderstorms caused outages.

The utility says Holden was hardest hit by Wednesday morning’s storms. Outages also were reported in Brewer, Orrington, Dedham and Lucerne.

Emera Maine says most of the outages should be fixed by 9:30 a.m.